Whiteline Rear Subframe Mount Insert Bushing Kit — Fits 2014-2018 Subaru Forester, Legacy, Outback, WRX, STI

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SKU: WHLKDT938
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Sharpen Your Subaru's Rear-End Response with Whiteline Inserts

Tired of a vague or imprecise feel from your Subaru's rear end? The Whiteline Rear Subframe Mount Insert Bushing Kit (WHLKDT938) is designed for DIY enthusiasts looking to significantly reduce rear crossmember 'lost motion' and enhance driving dynamics. This kit is compatible with a wide range of Subaru models from 2014 to 2018, including the Forester, Legacy, Outback, WRX, and WRX STI.

Key Features and Benefits:

  • Reduced Flex: Effectively eliminates excessive compliance and movement in the rear subframe mounts.
  • Improved Feel: Delivers a more direct and connected driving experience, especially during cornering and acceleration.
  • Easy Installation: Designed as an insert kit, it works with your original bushings, making it an accessible upgrade for DIY mechanics.
  • Enhanced Stability: Minimizes rear crossmember misalignment, leading to greater stability and driver confidence.

Unlike full replacement kits, this Whiteline insert kit offers a practical solution for tightening up the rear subframe without requiring extensive modifications. By filling the voids in the original bushings, it prevents the subframe from shifting under load, which is crucial for maintaining consistent suspension geometry and delivering power effectively. Whether you're navigating tight corners or applying power out of a turn, you'll notice a more planted and responsive rear end. Elevate your driving experience with this performance-enhancing bushing kit from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2014-2018 Subaru Forester 2.5i
2014-2018 Subaru Forester 2.5i Limited
2014-2018 Subaru Forester 2.5i Premium
2014-2018 Subaru Forester 2.5i Touring
2015-2019 Subaru Legacy 2.5i Limited
2015-2019 Subaru Legacy 2.5i Premium
2015-2019 Subaru Legacy 3.6R Limited
2017-2019 Subaru Legacy 2.5i Sport
2015-2019 Subaru Outback 2.5i
2015-2019 Subaru Outback 2.5i Limited
2015-2019 Subaru Outback 3.6R Limited
2017-2019 Subaru Outback 2.5i Touring
2017-2019 Subaru Outback 3.6R Touring
2015-2021 Subaru WRX Limited
2015-2021 Subaru WRX Premium
2015-2024 Subaru WRX Base
2015-2021 Subaru WRX STI Limited
2015-2021 Subaru WRX STI Base
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

Product Details

Product Description
Part Numbers
Sizing & Fit

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Sharpen Your Subaru's Rear-End Response with Whiteline Inserts

Tired of a vague or imprecise feel from your Subaru's rear end? The Whiteline Rear Subframe Mount Insert Bushing Kit (WHLKDT938) is designed for DIY enthusiasts looking to significantly reduce rear crossmember 'lost motion' and enhance driving dynamics. This kit is compatible with a wide range of Subaru models from 2014 to 2018, including the Forester, Legacy, Outback, WRX, and WRX STI.

Key Features and Benefits:

  • Reduced Flex: Effectively eliminates excessive compliance and movement in the rear subframe mounts.
  • Improved Feel: Delivers a more direct and connected driving experience, especially during cornering and acceleration.
  • Easy Installation: Designed as an insert kit, it works with your original bushings, making it an accessible upgrade for DIY mechanics.
  • Enhanced Stability: Minimizes rear crossmember misalignment, leading to greater stability and driver confidence.

Unlike full replacement kits, this Whiteline insert kit offers a practical solution for tightening up the rear subframe without requiring extensive modifications. By filling the voids in the original bushings, it prevents the subframe from shifting under load, which is crucial for maintaining consistent suspension geometry and delivering power effectively. Whether you're navigating tight corners or applying power out of a turn, you'll notice a more planted and responsive rear end. Elevate your driving experience with this performance-enhancing bushing kit from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2014-2018 Subaru Forester 2.5i
2014-2018 Subaru Forester 2.5i Limited
2014-2018 Subaru Forester 2.5i Premium
2014-2018 Subaru Forester 2.5i Touring
2015-2019 Subaru Legacy 2.5i Limited
2015-2019 Subaru Legacy 2.5i Premium
2015-2019 Subaru Legacy 3.6R Limited
2017-2019 Subaru Legacy 2.5i Sport
2015-2019 Subaru Outback 2.5i
2015-2019 Subaru Outback 2.5i Limited
2015-2019 Subaru Outback 3.6R Limited
2017-2019 Subaru Outback 2.5i Touring
2017-2019 Subaru Outback 3.6R Touring
2015-2021 Subaru WRX Limited
2015-2021 Subaru WRX Premium
2015-2024 Subaru WRX Base
2015-2021 Subaru WRX STI Limited
2015-2021 Subaru WRX STI Base
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

Product Details

Product Description

About Whiteline

Whiteline is the Australian leader in handling-focused suspension hardware — anti-sway bars, control arm bushings, alignment correction kits, and limited-slip differentials. Engineered for Subaru WRX/STI, Mitsubishi EVO, and modern performance platforms.

Watch in action

Sharpen Your Subaru's Rear-End Response with Whiteline Inserts

Tired of a vague or imprecise feel from your Subaru's rear end? The Whiteline Rear Subframe Mount Insert Bushing Kit (WHLKDT938) is designed for DIY enthusiasts looking to significantly reduce rear crossmember 'lost motion' and enhance driving dynamics. This kit is compatible with a wide range of Subaru models from 2014 to 2018, including the Forester, Legacy, Outback, WRX, and WRX STI.

Key Features and Benefits:

  • Reduced Flex: Effectively eliminates excessive compliance and movement in the rear subframe mounts.
  • Improved Feel: Delivers a more direct and connected driving experience, especially during cornering and acceleration.
  • Easy Installation: Designed as an insert kit, it works with your original bushings, making it an accessible upgrade for DIY mechanics.
  • Enhanced Stability: Minimizes rear crossmember misalignment, leading to greater stability and driver confidence.

Unlike full replacement kits, this Whiteline insert kit offers a practical solution for tightening up the rear subframe without requiring extensive modifications. By filling the voids in the original bushings, it prevents the subframe from shifting under load, which is crucial for maintaining consistent suspension geometry and delivering power effectively. Whether you're navigating tight corners or applying power out of a turn, you'll notice a more planted and responsive rear end. Elevate your driving experience with this performance-enhancing bushing kit from GGCRACING.

Vehicle Fitment

Years Make Model Trim
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2014-2018 Subaru Forester 2.5i
2014-2018 Subaru Forester 2.5i Limited
2014-2018 Subaru Forester 2.5i Premium
2014-2018 Subaru Forester 2.5i Touring
2015-2019 Subaru Legacy 2.5i Limited
2015-2019 Subaru Legacy 2.5i Premium
2015-2019 Subaru Legacy 3.6R Limited
2017-2019 Subaru Legacy 2.5i Sport
2015-2019 Subaru Outback 2.5i
2015-2019 Subaru Outback 2.5i Limited
2015-2019 Subaru Outback 3.6R Limited
2017-2019 Subaru Outback 2.5i Touring
2017-2019 Subaru Outback 3.6R Touring
2015-2021 Subaru WRX Limited
2015-2021 Subaru WRX Premium
2015-2024 Subaru WRX Base
2015-2021 Subaru WRX STI Limited
2015-2021 Subaru WRX STI Base
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

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